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This OEM-spec 2-pole contactor is the factory-authorized replacement for part number HN52KC025 (current OEM equivalent: HN52KC024), used in Carrier PY3PPA036060NA split-system and packaged HVAC equipment. The contactor is the high-voltage switching relay at the heart of your outdoor unit — when the thermostat calls for cooling, a 24V signal energizes the contactor coil, closing the poles and sending 240V power to the compressor and condenser fan motor. A failed contactor means your system won't respond to a cooling call, may run continuously without shutting off, or you'll hear chattering and buzzing from the outdoor cabinet with no compressor start.
Compatibility: Designed for the Carrier PY3PPA036060NA unit. OEM part HN52KC025 has been superseded by HN52KC024 — both are covered by this listing. Always verify coil voltage (24V) and pole count (2-pole) against your unit's wiring diagram or data plate before ordering. Our fitment team is available to confirm compatibility before you buy.